This will force different SVGImageForContainers in SVGImageCache one for each SVGImage client (<div> element in this test).
Created attachment 422141 [details] Patch
commit-queue failed to commit attachment 422141 [details] to WebKit repository. To retry, please set cq+ flag again.
Committed r273902: <https://commits.webkit.org/r273902> All reviewed patches have been landed. Closing bug and clearing flags on attachment 422141 [details].
<rdar://problem/75044911>